SDI Limited engages in the research and development, manufacture, and marketing of dental restorative materials, whitening systems, and other dental materials in Australia, Europe, the United States, and Brazil. It provides adhesives, alloys, luting cement, composites, etchants, glass ionomers, sealants, and tooth desensitizing agents and whitening products. The company also offers dental equipment, including LED curing light, whitening stand, multi-use trituratot, and amalgamator, as well as accessories such as disposable brush applicators, premium complete applicator, and disposable syringe tips. It sells its products through distributors, dental dealers, and dentists. SDI Limited was founded in 1972 and is headquartered in Bayswater, Australia.